Home / 285,090,464,372.86-393,458,568,697.17-169,347,681,293.51

Finding the Fourth Proportional to 285,090,464,372.86, 393,458,568,697.17 and 169,347,681,293.51

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Solution

The fourth proportional to 285,090,464,372.86, 393,458,568,697.17 and 169,347,681,293.51 is: 233,719,835,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,090,464,372.86 : 393,458,568,697.17 = 169,347,681,293.51 : x
  2. Step 2: Convert to fraction form
    285,090,464,372.86/393,458,568,697.17 = 169,347,681,293.51/x
  3. Step 3: Cross multiply
    285,090,464,372.86x = 393,458,568,697.17 × 169,347,681,293.51
  4. Step 4: Simplify right side
    285,090,464,372.86x = 66,631,296,293,928,960,000,000
  5. Step 5: Solve for x
    x = 66,631,296,293,928,960,000,000/285,090,464,372.86
  6. Step 6: Final answer
    x = 233,719,835,002.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.